Home / 2,225.12-3,337.08-837.57

Finding the Fourth Proportional to 2,225.12, 3,337.08 and 837.57

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Solution

The fourth proportional to 2,225.12, 3,337.08 and 837.57 is: 1,256.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.12 : 3,337.08 = 837.57 : x
  2. Step 2: Convert to fraction form
    2,225.12/3,337.08 = 837.57/x
  3. Step 3: Cross multiply
    2,225.12x = 3,337.08 × 837.57
  4. Step 4: Simplify right side
    2,225.12x = 2,795,038.10
  5. Step 5: Solve for x
    x = 2,795,038.10/2,225.12
  6. Step 6: Final answer
    x = 1,256.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.